Shape and Space Flashcards
Covering converting measurements, perimeter, area, volume and surface area
How many mm in a cm?
1cm = 10mm
How many cm in a m?
1m = 100cm
How many m in a km?
1km = 1000m
How many grams in a kilogram?
1kg = 1000g
How many millilitres in a litre?
1litre = 1000ml
How do you find the PERIMETER of a shape?
ADD all the sides
How do you find the AREA of a square or rectangle?
LENGTH x WIDTH
How do you find the AREA of a triangle?
(base x height) ÷ 2
How do you find the SURFACE AREA of a cube?
length x width x 6
(OR list the faces)
How do you find the SURFACE AREA of a cuboid?
LIST THE FACES
(front, back, top, bottom, left, right)
Find the AREA (length x width) of each face
ADD all the AREAS to find total surface area
How do you find the VOLUME of a cube or cuboid?
length x width x height
How do you find the VOLUME of a triangular prism?
(length x width x height) ÷ 2
What is the formula to work out the CIRCUMFERENCE of a circle?
pi x diameter (πd)
What is the formula to work out the AREA of a circle?
pi x radius x radius (πr²)
What is the formula to work out the VOLUME of a cylinder?
pi x radius x radius x height (πr²h)